Is used: Oil and gas industry

Roll reinforced mastic materials

Roll reinforced mastic materials are designed to prevent corrosion when doing capital repair of the insulation covering (re-insulating) gas pipelines being laid. The materials are for pipes of a diameter up to 1420 mm inclusive; product temperature of up to 35 or 50 for heat-resistant materials.

 

 

 Ratio,

measurement unit
Standard as per Technical Specifications
RAM

DEKOM-RAM 

(heat-resistant)

DONRAD-ARM

 ARMAS

Appearance of the roll, assessed visually Even edges.  Obliquity, crowning and saddle shape are allowed, but no more than 5 mm across the width of the roll Even edges.  Obliquity, crowning and saddle shape are allowed, but no more than 5 mm across the width of the roll Even edges.  Obliquity, crowning and saddle shape are allowed, but no more than 5 mm across the width of the roll Even edges.  Obliquity, crowning and saddle shape are allowed, but no more than 5 mm across the width of the roll
Appearance of the roll web, assessed visually No blank spaces or foreign particles are allowed for the mastic No blank spaces or foreign particles are allowed for the mastic No blank spaces or foreign particles are allowed for the mastic

No blank spaces or foreign particles are allowed for the mastic

Plasticity on a beam, rounding radius =10mm, below  the indicated temperature (°) -20 -20 -20
Coating shear resistance, at a speed of 50 mm/min, t +23±2°, Mpa Minimum 0,2 Minimum 0,3 -
Water absorption capacity of the material after 1000 h in water at a temperature of +60±2 °, % 5 5 - -

Funginertness, maximum ball

2 2 -  -
2011 CJSC Gazprom StroyTEK Salavat

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